1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 // <string>
11
12 // basic_string<charT,traits,Allocator>&
13 // insert(size_type pos, string_view sv);
14
15 #include <string>
16 #include <stdexcept>
17 #include <cassert>
18
19 #include "test_macros.h"
20 #include "min_allocator.h"
21
22 template <class S, class SV>
23 void
test(S s,typename S::size_type pos,SV sv,S expected)24 test(S s, typename S::size_type pos, SV sv, S expected)
25 {
26 const typename S::size_type old_size = s.size();
27 S s0 = s;
28 if (pos <= old_size)
29 {
30 s.insert(pos, sv);
31 LIBCPP_ASSERT(s.__invariants());
32 assert(s == expected);
33 }
34 #ifndef TEST_HAS_NO_EXCEPTIONS
35 else
36 {
37 try
38 {
39 s.insert(pos, sv);
40 assert(false);
41 }
42 catch (std::out_of_range&)
43 {
44 assert(pos > old_size);
45 assert(s == s0);
46 }
47 }
48 #endif
49 }
50
main()51 int main()
52 {
53 {
54 typedef std::string S;
55 typedef std::string_view SV;
56 test(S(""), 0, SV(""), S(""));
57 test(S(""), 0, SV("12345"), S("12345"));
58 test(S(""), 0, SV("1234567890"), S("1234567890"));
59 test(S(""), 0, SV("12345678901234567890"), S("12345678901234567890"));
60 test(S(""), 1, SV(""), S("can't happen"));
61 test(S(""), 1, SV("12345"), S("can't happen"));
62 test(S(""), 1, SV("1234567890"), S("can't happen"));
63 test(S(""), 1, SV("12345678901234567890"), S("can't happen"));
64 test(S("abcde"), 0, SV(""), S("abcde"));
65 test(S("abcde"), 0, SV("12345"), S("12345abcde"));
66 test(S("abcde"), 0, SV("1234567890"), S("1234567890abcde"));
67 test(S("abcde"), 0, SV("12345678901234567890"), S("12345678901234567890abcde"));
68 test(S("abcde"), 1, SV(""), S("abcde"));
69 test(S("abcde"), 1, SV("12345"), S("a12345bcde"));
70 test(S("abcde"), 1, SV("1234567890"), S("a1234567890bcde"));
71 test(S("abcde"), 1, SV("12345678901234567890"), S("a12345678901234567890bcde"));
72 test(S("abcde"), 2, SV(""), S("abcde"));
73 test(S("abcde"), 2, SV("12345"), S("ab12345cde"));
74 test(S("abcde"), 2, SV("1234567890"), S("ab1234567890cde"));
75 test(S("abcde"), 2, SV("12345678901234567890"), S("ab12345678901234567890cde"));
76 test(S("abcde"), 4, SV(""), S("abcde"));
77 test(S("abcde"), 4, SV("12345"), S("abcd12345e"));
78 test(S("abcde"), 4, SV("1234567890"), S("abcd1234567890e"));
79 test(S("abcde"), 4, SV("12345678901234567890"), S("abcd12345678901234567890e"));
80 test(S("abcde"), 5, SV(""), S("abcde"));
81 test(S("abcde"), 5, SV("12345"), S("abcde12345"));
82 test(S("abcde"), 5, SV("1234567890"), S("abcde1234567890"));
83 test(S("abcde"), 5, SV("12345678901234567890"), S("abcde12345678901234567890"));
84 test(S("abcde"), 6, SV(""), S("can't happen"));
85 test(S("abcde"), 6, SV("12345"), S("can't happen"));
86 test(S("abcde"), 6, SV("1234567890"), S("can't happen"));
87 test(S("abcde"), 6, SV("12345678901234567890"), S("can't happen"));
88 test(S("abcdefghij"), 0, SV(""), S("abcdefghij"));
89 test(S("abcdefghij"), 0, SV("12345"), S("12345abcdefghij"));
90 test(S("abcdefghij"), 0, SV("1234567890"), S("1234567890abcdefghij"));
91 test(S("abcdefghij"), 0, SV("12345678901234567890"), S("12345678901234567890abcdefghij"));
92 test(S("abcdefghij"), 1, SV(""), S("abcdefghij"));
93 test(S("abcdefghij"), 1, SV("12345"), S("a12345bcdefghij"));
94 test(S("abcdefghij"), 1, SV("1234567890"), S("a1234567890bcdefghij"));
95 test(S("abcdefghij"), 1, SV("12345678901234567890"), S("a12345678901234567890bcdefghij"));
96 test(S("abcdefghij"), 5, SV(""), S("abcdefghij"));
97 test(S("abcdefghij"), 5, SV("12345"), S("abcde12345fghij"));
98 test(S("abcdefghij"), 5, SV("1234567890"), S("abcde1234567890fghij"));
99 test(S("abcdefghij"), 5, SV("12345678901234567890"), S("abcde12345678901234567890fghij"));
100 test(S("abcdefghij"), 9, SV(""), S("abcdefghij"));
101 test(S("abcdefghij"), 9, SV("12345"), S("abcdefghi12345j"));
102 test(S("abcdefghij"), 9, SV("1234567890"), S("abcdefghi1234567890j"));
103 test(S("abcdefghij"), 9, SV("12345678901234567890"), S("abcdefghi12345678901234567890j"));
104 test(S("abcdefghij"), 10, SV(""), S("abcdefghij"));
105 test(S("abcdefghij"), 10, SV("12345"), S("abcdefghij12345"));
106 test(S("abcdefghij"), 10, SV("1234567890"), S("abcdefghij1234567890"));
107 test(S("abcdefghij"), 10, SV("12345678901234567890"), S("abcdefghij12345678901234567890"));
108 test(S("abcdefghij"), 11, SV(""), S("can't happen"));
109 test(S("abcdefghij"), 11, SV("12345"), S("can't happen"));
110 test(S("abcdefghij"), 11, SV("1234567890"), S("can't happen"));
111 test(S("abcdefghij"), 11, SV("12345678901234567890"), S("can't happen"));
112 test(S("abcdefghijklmnopqrst"), 0, SV(""), S("abcdefghijklmnopqrst"));
113 test(S("abcdefghijklmnopqrst"), 0, SV("12345"), S("12345abcdefghijklmnopqrst"));
114 test(S("abcdefghijklmnopqrst"), 0, SV("1234567890"), S("1234567890abcdefghijklmnopqrst"));
115 test(S("abcdefghijklmnopqrst"), 0, SV("12345678901234567890"), S("12345678901234567890abcdefghijklmnopqrst"));
116 test(S("abcdefghijklmnopqrst"), 1, SV(""), S("abcdefghijklmnopqrst"));
117 test(S("abcdefghijklmnopqrst"), 1, SV("12345"), S("a12345bcdefghijklmnopqrst"));
118 test(S("abcdefghijklmnopqrst"), 1, SV("1234567890"), S("a1234567890bcdefghijklmnopqrst"));
119 test(S("abcdefghijklmnopqrst"), 1, SV("12345678901234567890"), S("a12345678901234567890bcdefghijklmnopqrst"));
120 test(S("abcdefghijklmnopqrst"), 10, SV(""), S("abcdefghijklmnopqrst"));
121 test(S("abcdefghijklmnopqrst"), 10, SV("12345"), S("abcdefghij12345klmnopqrst"));
122 test(S("abcdefghijklmnopqrst"), 10, SV("1234567890"), S("abcdefghij1234567890klmnopqrst"));
123 test(S("abcdefghijklmnopqrst"), 10, SV("12345678901234567890"), S("abcdefghij12345678901234567890klmnopqrst"));
124 test(S("abcdefghijklmnopqrst"), 19, SV(""), S("abcdefghijklmnopqrst"));
125 test(S("abcdefghijklmnopqrst"), 19, SV("12345"), S("abcdefghijklmnopqrs12345t"));
126 test(S("abcdefghijklmnopqrst"), 19, SV("1234567890"), S("abcdefghijklmnopqrs1234567890t"));
127 test(S("abcdefghijklmnopqrst"), 19, SV("12345678901234567890"), S("abcdefghijklmnopqrs12345678901234567890t"));
128 test(S("abcdefghijklmnopqrst"), 20, SV(""), S("abcdefghijklmnopqrst"));
129 test(S("abcdefghijklmnopqrst"), 20, SV("12345"), S("abcdefghijklmnopqrst12345"));
130 test(S("abcdefghijklmnopqrst"), 20, SV("1234567890"), S("abcdefghijklmnopqrst1234567890"));
131 test(S("abcdefghijklmnopqrst"), 20, SV("12345678901234567890"), S("abcdefghijklmnopqrst12345678901234567890"));
132 test(S("abcdefghijklmnopqrst"), 21, SV(""), S("can't happen"));
133 test(S("abcdefghijklmnopqrst"), 21, SV("12345"), S("can't happen"));
134 test(S("abcdefghijklmnopqrst"), 21, SV("1234567890"), S("can't happen"));
135 test(S("abcdefghijklmnopqrst"), 21, SV("12345678901234567890"), S("can't happen"));
136 }
137 #if TEST_STD_VER >= 11
138 {
139 typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
140 typedef std::string_view SV;
141 test(S(""), 0, SV(""), S(""));
142 test(S(""), 0, SV("12345"), S("12345"));
143 test(S(""), 0, SV("1234567890"), S("1234567890"));
144 test(S(""), 0, SV("12345678901234567890"), S("12345678901234567890"));
145 test(S(""), 1, SV(""), S("can't happen"));
146 test(S(""), 1, SV("12345"), S("can't happen"));
147 test(S(""), 1, SV("1234567890"), S("can't happen"));
148 test(S(""), 1, SV("12345678901234567890"), S("can't happen"));
149 test(S("abcde"), 0, SV(""), S("abcde"));
150 test(S("abcde"), 0, SV("12345"), S("12345abcde"));
151 test(S("abcde"), 0, SV("1234567890"), S("1234567890abcde"));
152 test(S("abcde"), 0, SV("12345678901234567890"), S("12345678901234567890abcde"));
153 test(S("abcde"), 1, SV(""), S("abcde"));
154 test(S("abcde"), 1, SV("12345"), S("a12345bcde"));
155 test(S("abcde"), 1, SV("1234567890"), S("a1234567890bcde"));
156 test(S("abcde"), 1, SV("12345678901234567890"), S("a12345678901234567890bcde"));
157 test(S("abcde"), 2, SV(""), S("abcde"));
158 test(S("abcde"), 2, SV("12345"), S("ab12345cde"));
159 test(S("abcde"), 2, SV("1234567890"), S("ab1234567890cde"));
160 test(S("abcde"), 2, SV("12345678901234567890"), S("ab12345678901234567890cde"));
161 test(S("abcde"), 4, SV(""), S("abcde"));
162 test(S("abcde"), 4, SV("12345"), S("abcd12345e"));
163 test(S("abcde"), 4, SV("1234567890"), S("abcd1234567890e"));
164 test(S("abcde"), 4, SV("12345678901234567890"), S("abcd12345678901234567890e"));
165 test(S("abcde"), 5, SV(""), S("abcde"));
166 test(S("abcde"), 5, SV("12345"), S("abcde12345"));
167 test(S("abcde"), 5, SV("1234567890"), S("abcde1234567890"));
168 test(S("abcde"), 5, SV("12345678901234567890"), S("abcde12345678901234567890"));
169 test(S("abcde"), 6, SV(""), S("can't happen"));
170 test(S("abcde"), 6, SV("12345"), S("can't happen"));
171 test(S("abcde"), 6, SV("1234567890"), S("can't happen"));
172 test(S("abcde"), 6, SV("12345678901234567890"), S("can't happen"));
173 test(S("abcdefghij"), 0, SV(""), S("abcdefghij"));
174 test(S("abcdefghij"), 0, SV("12345"), S("12345abcdefghij"));
175 test(S("abcdefghij"), 0, SV("1234567890"), S("1234567890abcdefghij"));
176 test(S("abcdefghij"), 0, SV("12345678901234567890"), S("12345678901234567890abcdefghij"));
177 test(S("abcdefghij"), 1, SV(""), S("abcdefghij"));
178 test(S("abcdefghij"), 1, SV("12345"), S("a12345bcdefghij"));
179 test(S("abcdefghij"), 1, SV("1234567890"), S("a1234567890bcdefghij"));
180 test(S("abcdefghij"), 1, SV("12345678901234567890"), S("a12345678901234567890bcdefghij"));
181 test(S("abcdefghij"), 5, SV(""), S("abcdefghij"));
182 test(S("abcdefghij"), 5, SV("12345"), S("abcde12345fghij"));
183 test(S("abcdefghij"), 5, SV("1234567890"), S("abcde1234567890fghij"));
184 test(S("abcdefghij"), 5, SV("12345678901234567890"), S("abcde12345678901234567890fghij"));
185 test(S("abcdefghij"), 9, SV(""), S("abcdefghij"));
186 test(S("abcdefghij"), 9, SV("12345"), S("abcdefghi12345j"));
187 test(S("abcdefghij"), 9, SV("1234567890"), S("abcdefghi1234567890j"));
188 test(S("abcdefghij"), 9, SV("12345678901234567890"), S("abcdefghi12345678901234567890j"));
189 test(S("abcdefghij"), 10, SV(""), S("abcdefghij"));
190 test(S("abcdefghij"), 10, SV("12345"), S("abcdefghij12345"));
191 test(S("abcdefghij"), 10, SV("1234567890"), S("abcdefghij1234567890"));
192 test(S("abcdefghij"), 10, SV("12345678901234567890"), S("abcdefghij12345678901234567890"));
193 test(S("abcdefghij"), 11, SV(""), S("can't happen"));
194 test(S("abcdefghij"), 11, SV("12345"), S("can't happen"));
195 test(S("abcdefghij"), 11, SV("1234567890"), S("can't happen"));
196 test(S("abcdefghij"), 11, SV("12345678901234567890"), S("can't happen"));
197 test(S("abcdefghijklmnopqrst"), 0, SV(""), S("abcdefghijklmnopqrst"));
198 test(S("abcdefghijklmnopqrst"), 0, SV("12345"), S("12345abcdefghijklmnopqrst"));
199 test(S("abcdefghijklmnopqrst"), 0, SV("1234567890"), S("1234567890abcdefghijklmnopqrst"));
200 test(S("abcdefghijklmnopqrst"), 0, SV("12345678901234567890"), S("12345678901234567890abcdefghijklmnopqrst"));
201 test(S("abcdefghijklmnopqrst"), 1, SV(""), S("abcdefghijklmnopqrst"));
202 test(S("abcdefghijklmnopqrst"), 1, SV("12345"), S("a12345bcdefghijklmnopqrst"));
203 test(S("abcdefghijklmnopqrst"), 1, SV("1234567890"), S("a1234567890bcdefghijklmnopqrst"));
204 test(S("abcdefghijklmnopqrst"), 1, SV("12345678901234567890"), S("a12345678901234567890bcdefghijklmnopqrst"));
205 test(S("abcdefghijklmnopqrst"), 10, SV(""), S("abcdefghijklmnopqrst"));
206 test(S("abcdefghijklmnopqrst"), 10, SV("12345"), S("abcdefghij12345klmnopqrst"));
207 test(S("abcdefghijklmnopqrst"), 10, SV("1234567890"), S("abcdefghij1234567890klmnopqrst"));
208 test(S("abcdefghijklmnopqrst"), 10, SV("12345678901234567890"), S("abcdefghij12345678901234567890klmnopqrst"));
209 test(S("abcdefghijklmnopqrst"), 19, SV(""), S("abcdefghijklmnopqrst"));
210 test(S("abcdefghijklmnopqrst"), 19, SV("12345"), S("abcdefghijklmnopqrs12345t"));
211 test(S("abcdefghijklmnopqrst"), 19, SV("1234567890"), S("abcdefghijklmnopqrs1234567890t"));
212 test(S("abcdefghijklmnopqrst"), 19, SV("12345678901234567890"), S("abcdefghijklmnopqrs12345678901234567890t"));
213 test(S("abcdefghijklmnopqrst"), 20, SV(""), S("abcdefghijklmnopqrst"));
214 test(S("abcdefghijklmnopqrst"), 20, SV("12345"), S("abcdefghijklmnopqrst12345"));
215 test(S("abcdefghijklmnopqrst"), 20, SV("1234567890"), S("abcdefghijklmnopqrst1234567890"));
216 test(S("abcdefghijklmnopqrst"), 20, SV("12345678901234567890"), S("abcdefghijklmnopqrst12345678901234567890"));
217 test(S("abcdefghijklmnopqrst"), 21, SV(""), S("can't happen"));
218 test(S("abcdefghijklmnopqrst"), 21, SV("12345"), S("can't happen"));
219 test(S("abcdefghijklmnopqrst"), 21, SV("1234567890"), S("can't happen"));
220 test(S("abcdefghijklmnopqrst"), 21, SV("12345678901234567890"), S("can't happen"));
221 }
222 #endif
223
224 { // test inserting into self
225 typedef std::string S;
226 S s_short = "123/";
227 S s_long = "Lorem ipsum dolor sit amet, consectetur/";
228
229 s_short.insert(0, s_short.c_str());
230 assert(s_short == "123/123/");
231 s_short.insert(0, s_short.c_str());
232 assert(s_short == "123/123/123/123/");
233 s_short.insert(0, s_short.c_str());
234 assert(s_short == "123/123/123/123/123/123/123/123/");
235
236 s_long.insert(0, s_long.c_str());
237 assert(s_long == "Lorem ipsum dolor sit amet, consectetur/Lorem ipsum dolor sit amet, consectetur/");
238 }
239 }
240